http://story.news.yahoo.com/news?tmp...pcworld/118687
"If you may have visited the Register between 6 a.m. and 12.30 p.m. GMT on Saturday, November 20 using any Windows platform bar XP SP2 we strongly advise you to check your machine with up to date antivirus software, to install SP2 if you are running Windows XP, and to strongly consider running an
alternative browser, at least until Microsoft deals with the issue," The Register said on its Web site.